Schematic of [Example] ESP32 Reference Design
S2
S1
L1
Inductance
=2.2uH
U3
Manufacturer Part Number
TPS564201DDCR
U5
Manufacturer Part Number
ADS1115IDGSR
Q1
Q2
R12
Resistance
1kΩ
R14
Resistance
10kΩ
R9
Resistance
4.7kΩ
R17
Resistance
10kΩ
R11
Resistance
1kΩ
R8
Resistance
4.7kΩ
R10
Resistance
10kΩ
U4
Manufacturer Part Number
USB4110-GF-A
D1
R13
Resistance
10kΩ
R6
Resistance
33.2KΩ
U6
Manufacturer Part Number
CP2102N-A02-GQFN28
R16
Resistance
10kΩ
R18
Resistance
10kΩ
R7
Resistance
10kΩ
R15
Resistance
10kΩ
VIN
VUSB
PWM5
A5
VUSB
VIN
B3
PWM15
ESP_IO36
+3V3
A4
+3V3
VUSB
B5
PWM1
ESP_IO14
A0
PWM15
A3
PWM13
PWM10
ESP_IO5
AIN3
ESP_IO25
PWM2
PWM5
ESP_IO16
A6
AIN1
PWM11
B1
A2
+3V3
C6
Capacitance
=10uF
PWM0
PWM9
ESP_IO2
PWM10
ESP_IO23
ESP_IO32
PWM13
ESP_IO0
ESP_TX
PWM6
USB_D-
ESP_IO13
+3V3
C8
Capacitance
0.1uF
+3V3
SDA
ESP_IO33
+3V3
ESP_IO12
A1
B6
PWM7
AIN2
PWM11
USB_D+
PWM14
ESP_IO34
ESP_IO5
C3
Capacitance
22uF
DTS
USB_D-
+3V3
B0
ESP_TX
A7
+3V3
+3V3
ESP_IO19
ESP_IO27
PWM0
C1
Capacitance
0.1uF
PWM6
PWM9
PWM12
PWM3
ESP_IO26
ESP_IO0
PWM7
ESP_IO4
RST
ESP_IO39
SCL
PWM1
B2
ESP_IO0
PWM3
ESP_RX
ESP_IO17
C2
Capacitance
10uF
ESP_IO2
PWM8
B7
ESP_EN
+3V3
B4
AIN0
PWM2
PWM12
ESP_IO15
PWM4
PWM8
ESP_IO35
+3V3
USB_D+
ESP_EN
PWM14
PWM4
+3V3
ESP_IO18
J9
U7
Manufacturer Part Number
PCA9685PW,118
J5
J11
J4
J10
J1
J3
J7
J14
J8
J13
J2
J6
J12
J15